20014215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 34727616

約数和(自身を除く): 14713401

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 197, 521, 591, 985, 1563, 2561, 2605, 2955, 6773, 7683, 7815, 12805, 20319, 33865, 38415, 101595, 102637, 307911, 513185, 1334281, 1539555, 4002843, 6671405, 20014215]

約数ペア:

[(1, 20014215), (3, 6671405), (5, 4002843), (13, 1539555), (15, 1334281), (39, 513185), (65, 307911), (195, 102637), (197, 101595), (521, 38415), (591, 33865), (985, 20319), (1563, 12805), (2561, 7815), (2605, 7683), (2955, 6773)]